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consistent irb prompt as the book's expression #5

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6 changes: 3 additions & 3 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ Each directory contains definitions of the classes implemented in that chapter.
For example:

```irb
$ irb -I.
$ irb -I. --simple-prompt
>> require 'universality_is_everywhere'
=> true
>> identity = SKICall.new(SKICall.new(S, K), SKICall.new(K, K))
Expand All @@ -57,7 +57,7 @@ x
If you run `bundle install` to install [Treetop](http://treetop.rubyforge.org/), you can try out the parsers:

```irb
$ bundle exec irb -I.
$ bundle exec irb -I. --simple-prompt
>> require 'treetop'
=> true
>> Treetop.load('the_meaning_of_programs/parser/simple')
Expand All @@ -77,7 +77,7 @@ $ bundle exec irb -I.
```

```irb
$ bundle exec irb -I.
$ bundle exec irb -I. --simple-prompt
>> require 'treetop'
=> true
>> Treetop.load('programming_with_nothing/lambda_calculus/lambda_calculus')
Expand Down
4 changes: 2 additions & 2 deletions programming_with_nothing/README.md
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Expand Up @@ -4,7 +4,7 @@ Programming with Nothing
This chapter includes an implementation of FizzBuzz written with just procs:

```irb
$ irb -I.
$ irb -I. --simple-prompt
>> require 'programming_with_nothing'
=> true
>> MULTIPLY[THREE][FIVE]
Expand Down Expand Up @@ -43,7 +43,7 @@ Watch [this video](http://rubymanor.org/3/videos/programming_with_nothing/) for
There’s also an implementation of the call-by-value small-step operational semantics of the lambda calculus, along with a parser for Ruby-style lambda calculus expressions:

```irb
$ bundle exec irb -I.
$ bundle exec irb -I. --simple-prompt
>> require 'treetop'
=> true
>> Treetop.load('programming_with_nothing/lambda_calculus/lambda_calculus')
Expand Down
2 changes: 1 addition & 1 deletion the_meaning_of_programs/README.md
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Expand Up @@ -4,7 +4,7 @@ The Meaning of Programs
[This chapter](http://computationbook.com/sample) includes Ruby implementations of the semantics of a toy programming language (“Simple”) written in three contrasting styles: [small-step operational](small_step), [big-step operational](big_step) and [denotational](denotational):

```irb
$ bundle exec irb -I.
$ bundle exec irb -I. --simple-prompt
>> require 'the_meaning_of_programs'
=> true
>> expression = LessThan.new(Add.new(Variable.new(:x), Number.new(1)), Number.new(5))
Expand Down